. >> i know there's not a parent in america who doesn't feel the same overwhelming grief that i do. the majority of those who died today were children, beautiful little kids between the ages of 5 and 10 years old. they had their entire lives ahead of them, birthdays, graduations, weddings, kids of their own. these children are our children, and we're going to have to come together and take meaningful action to prevent more tragedies like this regardless of the politics. >> the president speaking there of his grief, sharing his feelings as a father as well as a president. as the nation reels from the shock and grief of this unthinkable crime, with young children as the most tragic victims and witnesses. >> well, when i was out in the hall when like everybody hurried. the bullets, they like went into a total panic. >> and how are you doing? what went on in your head as this was happening. >> whoa. >> a small and brave boy's account of this utter horror. the more chilling to know that 18 of his young classmates were killed on this day. let's go now to our justice correspondent pete wil